lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Wed, 23 Sep 2020 17:23:49 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH] Revert "net: linkwatch: add check for netdevice being
 present to linkwatch_do_dev"

From: David Miller <>
Date: Wed, 23 Sep 2020 17:21:25 -0700 (PDT)

> If an async code path tests 'present', gets true, and then the RTNL
> holding synchronous code path puts the device into D3hot immediately
> afterwards, the async code path will still continue and access the
> chips registers and fault.

Wait, is the sequence:

		mark device not present and put into D3hot
		triggers linkwatch event


Then yeah we might have to clear IFF_UP at the beginning of taking
a netdev down.

Powered by blists - more mailing lists